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RPA shields inherited DNA lesions for post-mitotic DNA synthesis

open access: yesNature Communications, 2021
Single-stranded DNA during DNA replication and repair in S/G2 needs protection by replication protein A (RPA). Here the authors reveal that RPA also shields inherited single-stranded DNA in G1, representing replication remnants from the previous cell ...
Aleksandra Lezaja   +5 more
doaj   +1 more source

Dissecting the roles of MBD2 isoforms and domains in regulating NuRD complex function during cellular differentiation

open access: yesNature Communications, 2023
The Nucleosome Remodeling and Deacetylation (NuRD) complex is a crucial regulator of cellular differentiation. Two members of the Methyl-CpG-binding domain (MBD) protein family, MBD2 and MBD3, are known to be integral, but mutually exclusive subunits of ...
Nina Schmolka   +9 more
doaj   +1 more source

Genome-wide maps of nucleolus interactions reveal distinct layers of repressive chromatin domains

open access: yesNature Communications, 2022
Mapping nucleolar-associated domains (NADs) is challenging as the nucleolus is membrane-less. Here the authors adapted the DNA adenine methyltransferase identification (DamID) method by engineering a “nucleolar histone” that can mark genomic contacts ...
Cristiana Bersaglieri   +6 more
doaj   +1 more source

Interplay between ADP-ribosyltransferases and essential cell signaling pathways controls cellular responses

open access: yesCell Discovery, 2021
Signaling cascades provide integrative and interactive frameworks that allow the cell to respond to signals from its environment and/or from within the cell itself.
Flurina Boehi   +2 more
doaj   +1 more source

Halting ErbB-2 isoforms retrograde transport to the nucleus as a new theragnostic approach for triple-negative breast cancer

open access: yesCell Death and Disease, 2022
Triple-negative breast cancer (TNBC) is clinically defined by the absence of estrogen and progesterone receptors and the lack of membrane overexpression or gene amplification of receptor tyrosine kinase ErbB-2/HER2.
Santiago Madera   +18 more
doaj   +1 more source

HSL1 and BAM1/2 impact epidermal cell development by sensing distinct signaling peptides

open access: yesNature Communications, 2022
HAESA and HSL2 are receptors for IDA/IDL-family signaling peptides in plants. Here the authors show that HSL1, previously shown to recognize CLE9, preferentially binds IDA/IDL peptides and regulates leaf epidermal patterning independently of CLE peptides.
Andra-Octavia Roman   +5 more
doaj   +1 more source

New Functions of Vav Family Proteins in Cardiovascular Biology, Skeletal Muscle, and the Nervous System

open access: yesBiology, 2021
Vav proteins act as tyrosine phosphorylation-regulated guanosine nucleotide exchange factors for Rho GTPases and as molecular scaffolds. In mammals, this family of signaling proteins is composed of three members (Vav1, Vav2, Vav3) that work downstream of
Sonia Rodríguez-Fdez   +6 more
doaj   +1 more source

In silico analysis of prognostic and diagnostic significance of target genes from prostate cancer cell lines derived exomicroRNAs

open access: yesCancer Cell International, 2023
Background Cancer-secreted exovesicles are important for cell-to-cell communication by altering cancer-related signalling pathways. Exovesicles-derived miRNAs (exomiRNAs)-target genes can be useful for diagnostic and prognostic purposes. Methods ExomiRNA
Antonio Altuna-Coy   +4 more
doaj   +1 more source

Cutaneous and acral melanoma cross-OMICs reveals prognostic cancer drivers associated with pathobiology and ultraviolet exposure

open access: yesNature Communications, 2022
While cutaneous melanoma is linked to UV radiation, acral melanoma is not. Epigenetic mechanisms function as sensors to exposures and determinants of cell identity.
Anna Luiza Silva Almeida Vicente   +12 more
doaj   +1 more source

Plant responses to photoperiod [PDF]

open access: yes, 2009
Photoperiod controls many developmental responses in animals, plants and even fungi. The response to photoperiod has evolved because daylength is a reliable indicator of the time of year, enabling developmental events to be scheduled to coincide with ...
Abe   +154 more
core   +1 more source

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